What does diabase mean?

Definitions for diabaseˈdaɪ əˌbeɪs

Here are all the possible meanings and translations of the word diabase.


  1. diabase(Noun)

    A fine-grained igneous rock composed mostly of pyroxene and feldspar

Webster Dictionary

  1. Diabase(noun)

    a basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone

  2. Origin: [F. diabase, fr. Gr. a crossing or passing over, fr. ; + to go; -- so called by Brongniart, because it passes over to diorite.]


  1. Diabase

    Diabase or dolerite is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. In North American usage, the term diabase refers to the fresh rock, whilst elsewhere the term dolerite is used for the fresh rock and diabase refers to altered material. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine grained to aphanitic chilled margins which may contain tachylite.

Chambers 20th Century Dictionary

  1. Diabase

    dī′a-bās, n. a compact igneous rock, an altered form of basalt—included under the popular names greenstone and trap.—adj. Diabā′sic.


  1. Chaldean Numerology

    The numerical value of diabase in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of diabase in Pythagorean Numerology is: 5

Images & Illustrations of diabase

  1. diabasediabasediabase


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